Here is a MCQ Practice Set for Science and Technology (Physics) – Motion, Force and Energy, specially made for BPSC and UPSC exams.

MCQ Practice Set – Motion, Force and Energy (BPSC/UPSC)

1. Motion and Distance

Q1. Distance is a:
(a) Vector quantity
(b) Scalar quantity
(c) Both (a) and (b)
(d) None of these
Answer: (b) Scalar quantity

Q2. Displacement can be:
(a) Only positive
(b) Only zero
(c) Positive, negative or zero
(d) Only negative
Answer: (c) Positive, negative or zero

Q3. Which of the following represents uniform motion?
(a) Speed increasing with time
(b) Speed decreasing with time
(c) Speed remains constant
(d) Object at rest
Answer: (c) Speed remains constant

2. Speed, Velocity and Acceleration

Q4. Speed is given by the formula:
(a) Distance × Time
(b) Distance / Time
(c) Time / Distance
(d) Velocity / Time
Answer: (b) Distance / Time

Q5. The unit of velocity is:
(a) m/s
(b) km
(c) m
(d) s
Answer: (a) m/s

Q6. Acceleration is defined as:
(a) Change in distance
(b) Change in speed
(c) Change in velocity per unit time
(d) None of these
Answer: (c) Change in velocity per unit time

3. Newton’s Laws of Motion

Q7. Newton’s First Law is also known as:
(a) Law of acceleration
(b) Law of inertia
(c) Law of action-reaction
(d) Law of momentum
Answer: (b) Law of inertia

Q8. The second law of motion gives the relation:
(a) F = ma
(b) F = mv
(c) F = mgh
(d) F = 1/2mv²
Answer: (a) F = ma

Q9. “To every action there is an equal and opposite reaction” is:
(a) Newton’s 1st law
(b) Newton’s 2nd law
(c) Newton’s 3rd law
(d) Kepler’s law
Answer: (c) Newton’s 3rd law

4. Work, Energy and Power

Q10. Work is said to be done when:
(a) Force is applied
(b) Object is displaced
(c) Force is applied and displacement occurs
(d) Object is at rest
Answer: (c) Force is applied and displacement occurs

Q11. SI unit of work is:
(a) Newton
(b) Joule
(c) Watt
(d) kg
Answer: (b) Joule

Q12. The formula of Kinetic Energy is:
(a) ½mv²
(b) mgh
(c) Fd
(d) ma
Answer: (a) ½mv²

Q13. Potential Energy depends on:
(a) Speed
(b) Height
(c) Velocity
(d) Power
Answer: (b) Height

Q14. Power is the rate of doing:
(a) Speed
(b) Work
(c) Energy
(d) Motion
Answer: (b) Work

Q15. SI unit of power is:
(a) Joule
(b) Newton
(c) Watt
(d) Pascal
Answer: (c) Watt

5. Miscellaneous and Application Based

Q16. A freely falling object has:
(a) Constant speed
(b) Constant acceleration
(c) Decreasing speed
(d) No force acting
Answer: (b) Constant acceleration

Q17. If no external force acts on a moving object, it will:
(a) Stop
(b) Accelerate
(c) Move with constant velocity
(d) Move in circular path
Answer: (c) Move with constant velocity

Q18. The device used to measure force is:
(a) Thermometer
(b) Ammeter
(c) Spring balance
(d) Barometer
Answer: (c) Spring balance

Q19. Energy stored in water at height is:
(a) Kinetic energy
(b) Chemical energy
(c) Heat energy
(d) Potential energy
Answer: (d) Potential energy

Q20. What will be the work done if the angle between force and displacement is 90°?
(a) Maximum
(b) Minimum
(c) Zero
(d) Infinite
Answer: (c) Zero